1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*
* Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <gpxe/image.h>
#include <gpxe/downloader.h>
#include <gpxe/monojob.h>
#include <gpxe/open.h>
#include <gpxe/uri.h>
#include <usr/imgmgmt.h>
/** @file
*
* Image management
*
*/
/**
* Fetch an image
*
* @v uri_string URI as a string (e.g. "http://www.nowhere.com/vmlinuz")
* @v name Name for image, or NULL
* @v register_image Image registration routine
* @ret rc Return status code
*/
int imgfetch ( struct image *image, const char *uri_string,
int ( * image_register ) ( struct image *image ) ) {
char uri_string_redacted[ strlen ( uri_string ) + 3 /* "***" */
+ 1 /* NUL */ ];
struct uri *uri;
const char *password;
int rc;
if ( ! ( uri = parse_uri ( uri_string ) ) )
return -ENOMEM;
image_set_uri ( image, uri );
/* Redact password portion of URI, if necessary */
password = uri->password;
if ( password )
uri->password = "***";
unparse_uri ( uri_string_redacted, sizeof ( uri_string_redacted ),
uri, URI_ALL );
uri->password = password;
if ( ( rc = create_downloader ( &monojob, image, image_register,
LOCATION_URI, uri ) ) == 0 )
rc = monojob_wait ( uri_string_redacted );
uri_put ( uri );
return rc;
}
/**
* Load an image
*
* @v image Image
* @ret rc Return status code
*/
int imgload ( struct image *image ) {
int rc;
/* Try to load image */
if ( ( rc = image_autoload ( image ) ) != 0 )
return rc;
return 0;
}
/**
* Execute an image
*
* @v image Image
* @ret rc Return status code
*/
int imgexec ( struct image *image ) {
return image_exec ( image );
}
/**
* Identify the only loaded image
*
* @ret image Image, or NULL if 0 or >1 images are loaded
*/
struct image * imgautoselect ( void ) {
struct image *image;
struct image *selected_image = NULL;
int flagged_images = 0;
for_each_image ( image ) {
if ( image->flags & IMAGE_LOADED ) {
selected_image = image;
flagged_images++;
}
}
return ( ( flagged_images == 1 ) ? selected_image : NULL );
}
/**
* Display status of an image
*
* @v image Executable/loadable image
*/
void imgstat ( struct image *image ) {
printf ( "%s: %zd bytes", image->name, image->len );
if ( image->type )
printf ( " [%s]", image->type->name );
if ( image->flags & IMAGE_LOADED )
printf ( " [LOADED]" );
if ( image->cmdline )
printf ( " \"%s\"", image->cmdline );
printf ( "\n" );
}
/**
* Free an image
*
* @v image Executable/loadable image
*/
void imgfree ( struct image *image ) {
unregister_image ( image );
}
|
